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LEASES (Tables) | 9 Months Ended
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Sep. 30, 2019
Leases [Abstract] |
Schedule of Lease Costs and Other Lease Information | A schedule of lease costs and other lease information follows:
| Three Months Ended September 30, 2019 |  | Nine Months Ended September 30, 2019
Lease cost: |  |  |
Amortization of right-of-use assets | $ | 593 |  |  | $ | 1,505 |
Interest expense | 213 |  |  | 555 |
Fixed lease cost - vehicles, equipment and property | 2,351 |  |  |  | 7,271 |
Fixed lease cost - landfill operating leases | 1,957 |  |  |  | 5,580 |
Fixed lease cost | 4,308 |  |  | 12,851 |
Short-term lease cost | 853 |  |  | 2,261 |
Variable lease cost | 329 |  |  | 712 |
Total lease cost | $ | 6,296 |  |  | $ | 17,884 |
Other information: |  |  |
Cash paid for amounts included in the measurement of lease liabilities: |  |  |
Financing cash flows for finance leases | $ | 666 |  |  | $ | 1,870 |
Operating cash flows for operating leases | $ | 2,963 |  |  | $ | 9,837 |
Right-of-use assets obtained in exchange for new finance lease liabilities | $ | — |  |  | $ | 6,857 |
Right-of-use assets obtained in exchange for new operating lease liabilities | $ | 831 |  |  | $ | 1,419 |
|  |  | September 30, 2019
Weighted-average remaining lease term - finance leases (years) |  |  | 6.7
Weighted-average remaining lease term - operating leases (years) |  |  | 12.0
Weighted-average discount rate - finance leases |  |  | 5.2 | %
Weighted-average discount rate - operating leases |  |  | 5.2 | %
Schedule of Estimated Minimum Future Finance Lease Obligations | Estimated minimum future lease obligations are as follows:
| Operating Leases |  | Finance Leases
Fiscal year ending December 31, 2019 | $ | 3,792 |  |  | $ | 799 |
Fiscal year ending December 31, 2020 | 13,218 |  |  | 3,872 |
Fiscal year ending December 31, 2021 | 10,870 |  |  | 3,336 |
Fiscal year ending December 31, 2022 | 8,494 |  |  | 2,740 |
Fiscal year ending December 31, 2023 | 6,652 |  |  | 2,572 |
Thereafter | 69,323 |  |  | 6,924 |
Total lease payments | 112,349 |  |  | 20,243 |
Less: interest expense | (30,857) |  |  | (3,733) |
Lease liability balance | $ | 81,492 |  |  | $ | 16,510 |
Schedule of Estimated Minimum Future Operating Lease Obligations | Estimated minimum future lease obligations are as follows:
| Operating Leases |  | Finance Leases
Fiscal year ending December 31, 2019 | $ | 3,792 |  |  | $ | 799 |
Fiscal year ending December 31, 2020 | 13,218 |  |  | 3,872 |
Fiscal year ending December 31, 2021 | 10,870 |  |  | 3,336 |
Fiscal year ending December 31, 2022 | 8,494 |  |  | 2,740 |
Fiscal year ending December 31, 2023 | 6,652 |  |  | 2,572 |
Thereafter | 69,323 |  |  | 6,924 |
Total lease payments | 112,349 |  |  | 20,243 |
Less: interest expense | (30,857) |  |  | (3,733) |
Lease liability balance | $ | 81,492 |  |  | $ | 16,510 |

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- Definition Tabular disclosure of undiscounted cash flows of finance lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to finance lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980 + Details
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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 + Details
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- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980 + Details
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